U.S. Treasury Steps Up Bond Buybacks as Long-Term Yields Climb

The U.S. Treasury is stepping more forcefully into the market to counter rising long-term borrowing costs, with Treasury Secretary Scott Bessent leaning on a hedge-fund-style playbook in government debt management. On August 19, the Treasury announced an expansion of its Treasury buyback program in response to climbing long-term yields—Bessent's most aggressive market intervention so far this year. The department boosted the purchase amounts in its existing repurchase program, prompting an immediate market reaction: long-dated Treasury yields fell and U.S. equities moved higher. Jim Bianco, president of Bianco Research, wrote on X: “I’ve always said, ‘When the Fed starts panicking, bond traders can stop panicking.’ Now, I should say, ‘When Scott Bessent starts panicking, bond traders can stop panicking.’” Wall Street has broadly interpreted the move as an effort to directly influence the bond market. A former hedge fund manager known for macro trading based on geopolitical and economic analysis, Bessent has repeatedly stressed the importance of market signals and financial conditions since taking office. He has described himself as “America's top bond salesman,” arguing that lower Treasury yields would help bring down mortgage rates and other borrowing costs. That ambition has been harder to deliver recently. The 30-year Treasury yield rose above 5.3% this week, the highest level in nearly 20 years, while average mortgage rates edged back toward 7%. Fiscal fundamentals remain a headwind: the U.S. budget deficit is still about 6% of GDP, well above the long-term 3% level previously advocated by Bessent. Treasury data released Wednesday showed total federal debt crossed $40 trillion on Tuesday. Under the revised program, the Treasury said that from September 9 to November 4 it will raise the per-operation buyback cap for 10- to 30-year Treasuries from $2 billion to at least $4 billion. At that run rate, annual repurchases for those maturities could reach roughly $128 billion. Natixis estimates the amount equals about 30% of projected issuance in that sector, though only about 2.4% of outstanding marketable debt. Within hours of the announcement, the 30-year yield dropped nearly 10 basis points—a sizable short-term move for the long end. U.S. stocks also advanced, with all three major indexes up about 0.2%. John Briggs, head of U.S. interest rate strategy at Natixis, said the timing suggested officials “didn’t like what was happening in the market at the time.” Even if purchases don’t ultimately scale dramatically, he said, the step signals the government has additional tools to resist further increases in yields. The shift also underscores a break from Treasury's traditional “regular and predictable” approach to debt management, designed to avoid jolting investor expectations through sudden issuance changes. This year, Bessent has tried to influence markets through multiple channels, including adjustments to issuance strategy, efforts to ease certain post-crisis regulatory rules, and foreign-exchange operations. The Treasury had previously avoided expanding the size of its medium- and long-term auctions, a stance investors saw as limiting supply pressure on the long end. Bessent has also criticized the Biden administration for heavy reliance on short-dated issuance, calling it “distortive to the U.S. Treasury market.” Now, he is also shaping market dynamics through buyback and issuance decisions. Gregory Faranello, head of U.S. rates trading and strategy at AmeriVet Securities, said the move departs from the old “regular and predictable” doctrine but delivered an unambiguous message: “Stop the rise in yields.” Others argue the policy skirts the underlying problem. Robin Brooks, a senior fellow at the Brookings Institution, said the current approach is “less about addressing the root issue—reducing debt and maintaining a more modest budget deficit—and more about trying to manipulate the yield curve.” Fiscal pressures remain entrenched, driven by Social Security, Medicare, Medicaid and interest costs, with defense spending also expected to increase as Republicans discuss additional tax cuts. That backdrop has fueled investor concerns that larger buybacks could carry political motives. Edison Byzyka, CIO of Credent Wealth Management, said the higher repurchase volume looks like an attempt to lower rates ahead of the midterm elections. He said the practice “calls into question the efficiency of the U.S. bond market” and could push investors toward alternatives such as high-dividend equities. Bessent, 64, is best known for his earlier work at George Soros' fund, including involvement in pound and yen trading. Some market participants say his recent policy actions reflect a distinct hedge-fund trading style. Brad Golding, a portfolio manager at Christofferson Robb & Co., said the buybacks resemble tactics hedge funds have used to force rapid price moves through concentrated trades, recalling “the way things were done in those days.” Bessent has also intervened twice in the foreign-exchange market this year, including purchases of Argentine pesos and Japanese yen—moves viewed as unusual outside traditional coordinated intervention frameworks. Douglas Rediker, managing partner at International Capital Strategies, said Bessent is taking a more proactive posture as Treasury Secretary. Mark Sobel, a former Treasury official, said Bessent may be among the most active secretaries in market intervention since the early 2000s. Investors are now watching whether the strategy can meaningfully and durably reshape yield trends. Guy Miller, chief strategist at Zurich Insurance Group, said: “When the Treasury clearly signals its determination to take decisive action, it can be a very powerful intervention. But ultimately, this approach cannot be sustained indefinitely without addressing profligate policies.” Peter Boockvar, chief investment officer of OnePoint BFG, said: “He is challenging two massive markets—the U.S. Treasury market and the foreign exchange market—which is an extremely difficult battle.”